OpenTechnical

OT-2026-000075261

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000075261) never changes.

Identity and time

Publication numberOT-2026-000075261 · never reused
Internal UUID01a0ae93-f200-7be2-9ca4-6f666ad58742 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075261
StatusPUBLIC

Content hashes

Canonical textef3e9c93e1f1be1f15d7c46039d4f78418d4e0d905296c2f302aed99723d4836
Markdownca4c5f6c9bc2994733c557534814cdbf72ece24e621dae0c3405b6cd68e65db1
PDF
Publication page4665097280c8d505ec708c0ffefe18b721ab6061f12bae200d8eae77b2300d05
Manifest0b0dfbc4e124fbf70a2bd73e75ab2d87d770bde7527ad239b7f96c58adbc97eb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureTLf82I8juzo9VOX5DVqCbps5392/axmbvYvx+THS36fuQF8BRV4CV+dL50NHwO5+VCDcvkKlG+kh1cAVsVEjCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:34.213603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075261
observed 4665097280c8d505ec708c0ffefe18b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.976444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075261/manifest.json
observed 0b0dfbc4e124fbf70a2bd73e75ab2d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.958888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075261/publication.md
observed ca4c5f6c9bc2994733c557534814cdbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:33.940528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075261/publication.txt
observed ef3e9c93e1f1be1f15d7c46039d4f784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.055821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075261
observed 4665097280c8d505ec708c0ffefe18b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.037784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075261/manifest.json
observed 0b0dfbc4e124fbf70a2bd73e75ab2d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:55.019637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075261/publication.md
observed ca4c5f6c9bc2994733c557534814cdbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:54.999935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075261/publication.txt
observed ef3e9c93e1f1be1f15d7c46039d4f784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.